18:57:14 Enable Cell Caching using MemoryGZip method<br />18:57:14 Create new PHPExcel object<br />18:57:14 Set properties<br />18:57:14 Add data<br />18:57:14 Hide 'Phone' and 'fax' columns<br />18:57:14 Set outline levels<br />18:57:14 Freeze panes<br />18:57:14 Rows to repeat at top<br />18:57:15 Write to Excel2007 format<br />18:57:17 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7219 seconds<br />18:57:17 Current memory usage: 26 MB<br />18:57:17 Peak memory usage: 30 MB<br />18:57:17 Done writing file<br />File has been created in /home/rrhhutem/public_html/idp-4g/vendor/phpoffice/phpexcel/Examples<br />